3x=8-2z 3y+z/5-2=0 5x+y-z=12x=8/3-2z/3y=2/3-z/155[8/3-2z/3]+2/3-z/15-z=12z=5/11x=26/11y=7/11
x=26/11 y=7/11 z=5/11